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Chessboard Code
The accompanying illustration gives a key for a code that substitutes two numbers for every letter. The letter "i" has been omitted because it can be confused with the number 1, and you
may substitute "x" or any other letter of your choice. First find the letter you want, then the number in the column to the left, and finally the number in the row at the top. Always write the number from the left column first. In this code, the words MEET ME AT THE SEASHORE would read:
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1 |
2 |
3 |
4 |
5 |
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|
a |
e |
i |
0 |
u |
6 |
A |
B |
c |
D |
E |
b |
A |
B |
C |
D |
E |
7 |
F |
G |
H |
J |
K |
d |
F |
G |
H |
J |
K |
8 |
L |
M |
N |
0 |
p |
f |
L |
M |
N |
0 |
P |
9 |
Q |
R |
S |
T |
U |
g |
Q |
R |
S |
T |
U |
0 |
V |
W |
X |
Y |
Z |
p |
V |
W |
X |
Y |
z |
82656594 8265 6194 947365 9365619373849265.
To make it harder for outsiders to break the code, you can divide the numbers into random groups. The receiver will know that each pair of numbers represents one letter. In this case, a comma was placed between two words:
8 265/6594, 8 265 61-9 4 947 3-65/, 936 5619/ 373" 84 92*65. The other signs are there just to confuse the outsiders.
Another such code uses two letters for each letter of the message. Use any consonants at the left; put the vowels at the top. Using this key, VACATION would come out RABABIBAGORIFOFI. The same sorts of complications to prevent interception of the message can be used here as with the other example.
Related terms include camping recipes and camping idea party school.
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